Envelope

Details Envelope Envelope

1993-12-03

1995-10-10

Word, A. Hugo

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

Envelope

D 3227

Patent

active

D03630838

REFERENCES:
patent: D223644 (1972-05-01), Croon
patent: D243846 (1977-03-01), Watson
patent: D250258 (1978-11-01), Lookatch
patent: D265020 (1982-06-01), Silton
patent: D286463 (1986-11-01), Sfikas
patent: D344015 (1994-02-01), Jacobson
patent: 1821011 (1931-09-01), Greenlaw
patent: 2842050 (1958-07-01), Wright
patent: 3921319 (1975-11-01), Styers et al.
patent: 3955752 (1976-05-01), Harrigan
patent: 3979051 (1976-09-01), Close

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